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You really could have added a lot of value here. Clearly you know a bit about the situation.

Please try and bring your knowledge to the table not your offense at someone else's error. I seriously think you could have a lot to offer.

The person you are replying to is not the same person as the one who made the content-free reply. You might want to follow your own advice.

My apologies you're correct. I made an error.

I also would like to be corrected in what my error was, for what it's worth.